BK Singh
Vegetable
Newsletter 1 (1): 5, 2014
E-mail:
bksinghkushinagar@yahoo.co.in
French bean varieties
developed by different organizations generally start pod setting during
February to mid-March and very sparsely during first fortnight of December in
North Indian plains. IIVR has recently identified a new genotype ‘VRFBB-91’
whose pods are ready to harvest during first fortnight of December. It has been collected from Jhum land of Kolasib, Mizoram. Plant
growth is bush type, height ranged from 45-60 cm and bears pink colour flowers at
35-40 days after sowing. The pods of VRFBB-91 are green
and bright in colour, fleshy, tender, straight, cylindrical, free from
parchment and harvested usually about 9-12 days after flowering. The pod sieve size
i.e. pods width (measuring through ventral to dorsal sutures) and pods thickness
(measuring through sidewall to sidewall) both ranged from 0.82-0.88 cm, hence
pod cross-sectional shape is round, a desirable trait of vegetable French bean.
On an average, the weight and length of each tender pod is 6.6 g and 15.4
cm, respectively. The line bears 20-22
pods/plant and yields 140-150 g tender pods/plant in crop duration of 80-85
days. A pod contains about 6.7 seeds which is kidney shape, black in colour and
100 seeds’ weight is approximately 23.85. The yield potential (tender pods) of VRFBB-91 is 115-120 q/ha which is better than released
varieties such as Kashi Sampann, Arka Komal, Arka Suvidha, Swarnaprya, Pant
Anupma and Arka Anoop (25-50 q/ha).
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