
Trưng ði hc Nông nghip 1 - Giáo trình Bo qun nông sn ---------------------------------------------
4
CHƯƠNG VI ................................................................................................................... 77
SINH VBT H;I NÔNG S:N........................................................................................... 77
1. Vi sinh vt hi nông sn sau thu hoch.......................................................................77
1.1. Khái nim............................................................................................................77
1.2. S xâm nhiFm và lây lan bnh hi .......................................................................78
1.3. Tác hi do bnh gây ra cho nông sn bo qun ....................................................80
1.4. Phòng tr bnh hi ..............................................................................................84
2. Côn trùng hi nông sn sau thu hoch ........................................................................87
2.1. Khái nim............................................................................................................87
2.2. S xâm nhiFm và lây lan côn trùng......................................................................90
2.3. Tác hi ca côn trùng ..........................................................................................91
2.4. Hn ch tác hi do côn trùng ...............................................................................92
CHƯƠNG VII .................................................................................................................. 97
THU HO;CH, PHÂN LO;I VÀ BAO GÓI NÔNG S:N, THGC PHHM ....................... 97
1. Thu hoch nông sn ...................................................................................................97
1.1. ð chín thu hoch ...............................................................................................97
1.2. Thi ñim thu hoch............................................................................................97
1.3. KI thut thu hoch ..............................................................................................97
2. Phân loi nông sn .....................................................................................................98
2.1. Loi b& nông sn cht lưng kém (gip nát, sâu bnh,…)....................................99
2.2. Phân loi nông sn...............................................................................................99
3. Bao gói nông sn, thc phm .....................................................................................99
3.1. Tm quan trng ca bao gói thc phm .............................................................100
3.2. Yêu cu và ñc ñim ca bao bì thc phm .......................................................102
3.3. Vt liu bao bì thc phm..................................................................................103
3.4. Bao bì mt s" mt hàng nông sn ......................................................................108
3.5. Thương hiu và tên thương mi.........................................................................109
3.6. Mã s", mã vch .................................................................................................110
CHƯƠNG VIII............................................................................................................... 112
KHO B:O QU:N NÔNG S:N..................................................................................... 112
1. Yêu cu ñ"i vi kho bo qun ..................................................................................112
1.1. Kho phi là rào chn t"t nông sn vi nh hư*ng xu ca môi trưng ...............112
1.2. Kho phi chc chn ...........................................................................................112
1.3. Kho phi thun li v$ giao thông.......................................................................112
1.4. Kho phi ñưc cơ gii hoá ................................................................................112
1.5. Kho phi chuyên dng.......................................................................................112
2. Yêu cu v$ phm cht nông sn ...............................................................................113
3. Ch ñ bo qun nông sn trong kho........................................................................113
3.1. Ch ñ v sinh kho tàng ....................................................................................113
3.2. Ch ñ kim tra theo dõi phm cht nông sn....................................................114
3.3. Quy trình kI thut thông gió trong bo qun ht................................................114
4. Phân loi kho ...........................................................................................................115
4.1. Theo thi gian tn tr........................................................................................115
4.2. Theo ñ cao cha ht.........................................................................................116
4.3. Theo mc ñ cơ gii kho...................................................................................117
4.4. Theo nhit ñ tn tr.........................................................................................118
5. Kho bo qun nông sn * Vit Nam.........................................................................119
5.1. Thc trng kho bo qun nông sn * Vit Nam .................................................119